Home / 11,895.20-16,382.08-11,636.91

Finding the Fourth Proportional to 11,895.20, 16,382.08 and 11,636.91

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Solution

The fourth proportional to 11,895.20, 16,382.08 and 11,636.91 is: 16,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.20 : 16,382.08 = 11,636.91 : x
  2. Step 2: Convert to fraction form
    11,895.20/16,382.08 = 11,636.91/x
  3. Step 3: Cross multiply
    11,895.20x = 16,382.08 × 11,636.91
  4. Step 4: Simplify right side
    11,895.20x = 190,636,790.57
  5. Step 5: Solve for x
    x = 190,636,790.57/11,895.20
  6. Step 6: Final answer
    x = 16,026.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.